/*
 * Copyright (c) 2015. Rick Hightower, Geoff Chandler
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  		http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * QBit - The Microservice lib for Java : JSON, WebSocket, REST. Be The Web!
 */

package io.advantageous.qbit.message;


import io.advantageous.qbit.util.MultiMap;

/**
 * This represents a message.
 * <p>
 * created by Richard on 7/21/14.
 *
 * @author Rick Hightower
 */
public interface Message<T> {
    long id();

    T body(); //Body could be a Map for parameters for forms or JSON or bytes[] or String

    boolean isSingleton();


    default MultiMap<String, String> params() {
        return MultiMap.empty();
    }

    default MultiMap<String, String> headers() {
        return MultiMap.empty();
    }

    default boolean wasReplicated() {
        return headers().containsKey("QBIT_REPLICATED_MESSAGE");
    }

}
